New ! Business Maths and Statistics MCQ Practise Tests



11th Standard English Medium Business Maths Subject Descriptive Statistics and Probability Book Back 3 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Business Maths

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 3 = 15
  1. Probability of solving specific problem independently by A and B are \(\frac{1}{2}\) and \(\frac{1}{3}\) respectively. If both try to solve the problem independently, find the probability that the problem is
    (i) solved
    (ii) exactly one of them solves the problem

  2. Two urns contains the set of balls as given in the following table

    Title White Red Black
    Urn 1 10 6 9
    Urn 2 3 7 15

    One ball is drawn from each urn and find the probability that
    (i) both balls are red
    (ii) both balls are of the same colour.

  3. Ten cards numbered 1 to 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the drawn card is more than 4. What is the probability that it is an even number?

  4. Find out the GM for the following

    Yield of Rice (tones) No. of farms
    7.5-10.5 5
    10.5-13.5 9
    13.5-16.5 19
    16.5-19.5 23
    19.5-22.5 7
    22.5-25.5 4
    25.5-28.5 1
  5. Calculate Quartile deviation and Coefficient of Quartile deviation of the following data.

    Marks: 0 10 20 30 40 50 60 70
    No. of students: 150 142 130 120 72 30 12 4

*****************************************

Reviews & Comments about 11th Standard English Medium Business Maths Subject Descriptive Statistics and Probability Book Back 3 Mark Questions with Solution Part - II

Write your Comment